分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Haploblepharus: haplos (Gr.), single or simple; blepharon (Gr.), eyelid, referring to simple structure of lower eyelid, which closes against upper eyelid to protect the eye (See ETYFish); edwardsii: In honor of English naturalist George Edwards (1694-1773), known as the “father of British ornithology,” who was the first to illustrate this shark, in 1760 (See ETYFish).
Eponymy: George Edwards (1694–1773) was an illustrator, naturalist, and ornithologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 130 m (Ref. 5510), usually 40 - 130 m (Ref. 5510). 亞熱帶的; 29°S - 35°S
Southeast Atlantic: Cape Agulhas to Natal in South Africa. There are two different forms of this species, the 'Cape' and 'Natal' types, which differ in coloration and habitat and might be geographic variants or two distinct species (Ref. 6782).
東南大西洋: Agulhas海岬到南非的納塔爾。 有這種的二個不同的型式,'岬' 與 '納塔爾' 類型, 不同體色與棲息地而且可能是地理的變種或二個不同的種.(參考文獻 6782)
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm ?, range 41 - ? cm
Max length : 59.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 60.0 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 臀棘: 0. Southeastern Cape form: sandy brown with 7 reddish-brown saddles bordered by black, and numerous small, dark brown and white spots between saddles; white below (Ref. 5578). Natal form: body cream in color with darker brown saddles and irregular white spots; white below (Ref. 5578).
Body shape (shape guide): elongated.
東南角型式: 黃棕色且有與黑色接壤的 7個紅褐色的鞍狀斑 , 與在鞍狀斑之間的很多小﹐深褐色的與白色的斑點; 腹面白色的.(參考文獻 5578) 納塔爾形式: 身體乳黃色的顏色有深褐色的鞍狀斑與不規則的白色斑點; 腹面白色的.(參考文獻 5578)
Found in inshore and offshore waters of the continental shelf, on sandy and rocky bottoms (Ref. 244). Feeds on bony fishes, crustaceans and cephalopods (Ref. 244). Oviparous (Ref. 50449). Caught by surf anglers (Ref. 244).
在沙與岩石的底部上, 發現於大陸棚的近岸與外海水域了。 (參考文獻 244) 吃硬骨魚類，甲殼動物與頭足類動物。 (參考文獻 244) 卵生的.(參考文獻 50449) 被海邊垂釣者捕獲了。 (參考文獻 244)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, with 1 egg-case laid per oviduct (Ref. 244). Embryos feed solely on yolk (Ref. 50449).東南大西洋: Agulhas海岬到南非的納塔爾。 有這種的二個不同的型式,'岬' 與 '納塔爾' 類型, 不同體色與棲息地而且可能是地理的變種或二個不同的種.(參考文獻 6782)
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (A2bcd); Date assessed: 01 August 2019
人類使用
漁業: 自給性漁業; 游釣魚種: 是的
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Estimates based on models
Preferred temperature (參考文獻
123201): 12.8 - 20.5, mean 16.3 °C (based on 24 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00175 - 0.00721), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.8 ±0.3 se; based on diet studies.
回復力 (參考文獻
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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Nutrients (Ref.
124155): Calcium = 29.5 [4.8, 158.9] mg/100g; Iron = 0.746 [0.202, 2.212] mg/100g; Protein = 18.4 [15.3, 21.4] %; Omega3 = 0.195 [0.086, 0.425] g/100g; Selenium = 20.3 [6.1, 57.3] μg/100g; VitaminA = 11.3 [4.0, 31.8] μg/100g; Zinc = 0.647 [0.307, 1.195] mg/100g (wet weight);
